Analysis Overview
SHA256
e8045854aaa5789e7af6cc8655b574ec738678b9f2a98d98c242d91ed1e22606
Threat Level: Known bad
The file e8045854aaa5789e7af6cc8655b574ec738678b9f2a98d98c242d91ed1e22606 was found to be: Known bad.
Malicious Activity Summary
ModiLoader, DBatLoader
UPX dump on OEP (original entry point)
UPX dump on OEP (original entry point)
ModiLoader Second Stage
Detects Windows executables referencing non-Windows User-Agents
Loads dropped DLL
UPX packed file
Checks computer location settings
Executes dropped EXE
Adds Run key to start application
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-16 03:54
Signatures
UPX dump on OEP (original entry point)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-16 03:54
Reported
2024-06-16 03:56
Platform
win7-20240221-en
Max time kernel
149s
Max time network
121s
Command Line
Signatures
ModiLoader, DBatLoader
Detects Windows executables referencing non-Windows User-Agents
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
ModiLoader Second Stage
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
UPX dump on OEP (original entry point)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | N/A |
Loads dropped DLL
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe" | C:\Windows\SysWOW64\reg.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2248 set thread context of 3012 | N/A | C:\Users\Admin\AppData\Local\Temp\e8045854aaa5789e7af6cc8655b574ec738678b9f2a98d98c242d91ed1e22606.exe | C:\Users\Admin\AppData\Local\Temp\e8045854aaa5789e7af6cc8655b574ec738678b9f2a98d98c242d91ed1e22606.exe |
| PID 356 set thread context of 872 | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe |
| PID 356 set thread context of 656 | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e8045854aaa5789e7af6cc8655b574ec738678b9f2a98d98c242d91ed1e22606.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e8045854aaa5789e7af6cc8655b574ec738678b9f2a98d98c242d91ed1e22606.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\e8045854aaa5789e7af6cc8655b574ec738678b9f2a98d98c242d91ed1e22606.exe
"C:\Users\Admin\AppData\Local\Temp\e8045854aaa5789e7af6cc8655b574ec738678b9f2a98d98c242d91ed1e22606.exe"
C:\Users\Admin\AppData\Local\Temp\e8045854aaa5789e7af6cc8655b574ec738678b9f2a98d98c242d91ed1e22606.exe
"C:\Users\Admin\AppData\Local\Temp\e8045854aaa5789e7af6cc8655b574ec738678b9f2a98d98c242d91ed1e22606.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\DVNJE.bat" "
C:\Windows\SysWOW64\reg.exe
REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Win Pdf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe" /f
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
Files
memory/2248-0-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2248-3-0x0000000000240000-0x0000000000241000-memory.dmp
memory/2248-5-0x0000000000240000-0x0000000000241000-memory.dmp
memory/2248-15-0x0000000000270000-0x0000000000271000-memory.dmp
memory/2248-77-0x00000000003F0000-0x00000000003F2000-memory.dmp
memory/2248-69-0x00000000003D0000-0x00000000003D1000-memory.dmp
memory/2248-88-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2248-81-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2248-80-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2248-79-0x0000000000404000-0x0000000000405000-memory.dmp
memory/2248-59-0x00000000003B0000-0x00000000003B1000-memory.dmp
memory/2248-39-0x00000000002B0000-0x00000000002B1000-memory.dmp
memory/2248-27-0x0000000000290000-0x0000000000291000-memory.dmp
memory/2248-91-0x00000000027E0000-0x0000000002833000-memory.dmp
memory/3012-96-0x0000000000400000-0x000000000040B000-memory.dmp
memory/3012-94-0x0000000000400000-0x000000000040B000-memory.dmp
memory/3012-92-0x0000000000400000-0x000000000040B000-memory.dmp
memory/3012-98-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/3012-100-0x0000000000400000-0x000000000040B000-memory.dmp
memory/3012-102-0x0000000000400000-0x000000000040B000-memory.dmp
memory/3012-103-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2248-107-0x0000000000400000-0x0000000000453000-memory.dmp
memory/3012-106-0x0000000000400000-0x000000000040B000-memory.dmp
memory/3012-110-0x0000000000400000-0x000000000040B000-memory.dmp
memory/3012-105-0x0000000000400000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\DVNJE.bat
| MD5 | 4eb61ec7816c34ec8c125acadc57ec1b |
| SHA1 | b0015cc865c0bb1a027be663027d3829401a31cc |
| SHA256 | 08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff |
| SHA512 | f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1 |
memory/3012-135-0x0000000002920000-0x0000000002973000-memory.dmp
\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
| MD5 | 8865691de473843b215833286f4bb605 |
| SHA1 | 55abdc6e053713d99a988946fa37373ca2ce3363 |
| SHA256 | 74eae461bf0f65e8d9b22b986ee8827b34c8263f9a3299c8067ca5da619cc140 |
| SHA512 | 1b609b9905f4ae84491aca987856ca265c78cdda4c09144b22e7f0245645ed9c7667271cf0d8e052da2265f86ed6f31be58499c617fd40ae82ebe05eef0157dc |
memory/356-151-0x0000000000400000-0x0000000000453000-memory.dmp
memory/3012-150-0x0000000002920000-0x0000000002973000-memory.dmp
memory/3012-149-0x0000000002920000-0x0000000002973000-memory.dmp
memory/356-156-0x00000000002B0000-0x00000000002B1000-memory.dmp
memory/356-231-0x0000000000400000-0x0000000000453000-memory.dmp
memory/356-177-0x00000000002F0000-0x00000000002F1000-memory.dmp
memory/356-166-0x00000000002D0000-0x00000000002D1000-memory.dmp
memory/656-248-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3012-247-0x0000000000400000-0x000000000040B000-memory.dmp
memory/356-251-0x0000000000400000-0x0000000000453000-memory.dmp
memory/3012-256-0x0000000000400000-0x000000000040B000-memory.dmp
memory/872-261-0x0000000000400000-0x000000000040B000-memory.dmp
memory/656-262-0x0000000000400000-0x0000000000414000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-16 03:54
Reported
2024-06-16 03:56
Platform
win10v2004-20240508-en
Max time kernel
150s
Max time network
151s
Command Line
Signatures
ModiLoader, DBatLoader
Detects Windows executables referencing non-Windows User-Agents
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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ModiLoader Second Stage
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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UPX dump on OEP (original entry point)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\e8045854aaa5789e7af6cc8655b574ec738678b9f2a98d98c242d91ed1e22606.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe" | C:\Windows\SysWOW64\reg.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1964 set thread context of 3192 | N/A | C:\Users\Admin\AppData\Local\Temp\e8045854aaa5789e7af6cc8655b574ec738678b9f2a98d98c242d91ed1e22606.exe | C:\Users\Admin\AppData\Local\Temp\e8045854aaa5789e7af6cc8655b574ec738678b9f2a98d98c242d91ed1e22606.exe |
| PID 1932 set thread context of 4568 | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe |
| PID 1932 set thread context of 4896 | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e8045854aaa5789e7af6cc8655b574ec738678b9f2a98d98c242d91ed1e22606.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e8045854aaa5789e7af6cc8655b574ec738678b9f2a98d98c242d91ed1e22606.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\e8045854aaa5789e7af6cc8655b574ec738678b9f2a98d98c242d91ed1e22606.exe
"C:\Users\Admin\AppData\Local\Temp\e8045854aaa5789e7af6cc8655b574ec738678b9f2a98d98c242d91ed1e22606.exe"
C:\Users\Admin\AppData\Local\Temp\e8045854aaa5789e7af6cc8655b574ec738678b9f2a98d98c242d91ed1e22606.exe
"C:\Users\Admin\AppData\Local\Temp\e8045854aaa5789e7af6cc8655b574ec738678b9f2a98d98c242d91ed1e22606.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\NBMVM.bat" "
C:\Windows\SysWOW64\reg.exe
REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Win Pdf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe" /f
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
| US | 8.8.8.8:53 | billabong4102.no-ip.biz | udp |
Files
memory/1964-0-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1964-3-0x00000000021B0000-0x00000000021B2000-memory.dmp
memory/1964-4-0x00000000021D0000-0x00000000021D2000-memory.dmp
memory/1964-7-0x00000000021F0000-0x00000000021F2000-memory.dmp
memory/1964-6-0x00000000021E0000-0x00000000021E2000-memory.dmp
memory/3192-5-0x0000000000400000-0x000000000040B000-memory.dmp
memory/3192-9-0x0000000000400000-0x000000000040B000-memory.dmp
memory/3192-11-0x0000000000400000-0x000000000040B000-memory.dmp
memory/1964-13-0x0000000000400000-0x0000000000453000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\NBMVM.txt
| MD5 | 4eb61ec7816c34ec8c125acadc57ec1b |
| SHA1 | b0015cc865c0bb1a027be663027d3829401a31cc |
| SHA256 | 08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff |
| SHA512 | f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1 |
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
| MD5 | b5998ed5ce520568158923b2dfd222c6 |
| SHA1 | 8eef994abe50fbe7c5e30d62194c8af42db99a84 |
| SHA256 | e8045854aaa5789e7af6cc8655b574ec738678b9f2a98d98c242d91ed1e22606 |
| SHA512 | c7f958707a75e1497cde04369ebaf5ba1af1c2bad6b7ece26d0dfa3aad96bfacb645e7360e4262fe0b646e30cd70a723e4c0468a17652ab869f3aa63b0a2d16c |
memory/4896-42-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4896-50-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4896-49-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4896-53-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4896-48-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1932-47-0x0000000000400000-0x0000000000453000-memory.dmp
memory/3192-56-0x0000000000400000-0x000000000040B000-memory.dmp
memory/4568-57-0x0000000000400000-0x000000000040B000-memory.dmp
memory/4896-58-0x0000000000400000-0x0000000000414000-memory.dmp